Unit bearing



FIG. 1 is a front view of a unit bearing showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a plain view thereof;

FIG. 5 is a cross-section view taken along the line 5-5 of FIG. 1thereof;

FIG. 6 is a cross-section view taken along the line 6-6 of FIG. 1thereof; and,

FIG. 7 is a perspective view thereof.

The dashed lines depict environmental subject matter only and form nopart of the claimed design.

The ornamental design for a unit bearing, as shown and described.